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Cheap flights from London Heathrow Airport to San Juan from £270

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to San Juan departing on 17/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from London Heathrow Airport to San Juan

Cheap return flights

These are some of the best return flight deals from London Heathrow Airport to San Juan that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from London Heathrow Airport to San Juan.

Cheap last-minute flights

Planning a quick getaway from London Heathrow Airport to San Juan? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to San Juan, so you can enjoy a seamless trip without stopovers.

Cheap bus & train deals from London Heathrow Airport to San Juan

Find recent round-trip train or bus tickets from London Heathrow Airport to San Juan.

All round-trip flight deals to San Juan

The cheapest plane tickets to San Juan found on KAYAK recently.
08:25 - 19:56LHR-SJU
15h 31m1 stop
10:30 - 05:55SJU-LHR
15h 25m1 stop
£447JetBlue
Find Deal
Tue, 4 Feb - Tue, 11 Feb
12:20 - 01:42LHR-SJU
17h 22m1 stop
10:20 - 09:30SJU-LHR
19h 10m1 stop
£448JetBlue
Find Deal
Tue, 11 Feb - Tue, 18 Feb
07:25 - 03:50LHR-SJU
24h 25m1 stop
13:52 - 09:30SJU-LHR
15h 38m1 stop
£477Icelandair
Find Deal
Fri, 31 Jan - Sat, 8 Feb
08:25 - 12:00LHR-SJU
31h 35m1 stop
06:05 - 20:45SJU-LHR
34h 40m1 stop
£477Icelandair
Find Deal
Mon, 27 Jan - Sun, 2 Feb
07:50 - 18:50LHR-SJU
16h 00m1 stop
12:00 - 09:25SJU-LHR
16h 25m1 stop
£499Finnair
Find Deal
Mon, 5 May - Tue, 13 May
08:20 - 10:23LHR-SJU
30h 03m2 stops
09:00 - 06:30SJU-LHR
17h 30m1 stop
Tue, 4 Feb - Tue, 11 Feb
13:45 - 14:30LHR-SJU
28h 45m3 stops
22:09 - 13:00SJU-LHR
34h 51m3 stops
Mon, 27 Jan - Mon, 10 Feb
09:50 - 21:59LHR-SJU
16h 09m1 stop
21:20 - 16:35SJU-LHR
15h 15m1 stop
£557Finnair
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Mon, 20 Jan - Sat, 1 Feb
11:10 - 21:28LHR-SJU
38h 18m2 stops
02:05 - 20:35SJU-LHR
14h 30m1 stop
£606United Airlines
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Sat, 25 Jan - Fri, 31 Jan
11:10 - 06:12LHR-SJU
23h 02m2 stops
02:05 - 06:30SJU-LHR
24h 25m2 stops
£610United Airlines
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Sun, 9 Feb - Sat, 15 Feb
15:15 - 09:44LHR-SJU
46h 29m2 stops
Mon, 17 Mar
06:30 - 09:58LHR-SJU
32h 28m2 stops
Tue, 6 May
21:40 - 16:40LHR-SJU
23h 00m1 stop
£555Avianca
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Sun, 9 Feb
21:40 - 16:40LHR-SJU
23h 00m1 stop
£555Avianca
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Sun, 9 Feb
15:00 - 22:22LHR-SJU
35h 22m2 stops
£558United Airlines
Find Deal
Sun, 9 Feb
15:00 - 22:22LHR-SJU
35h 22m2 stops
£559United Airlines
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Sun, 9 Feb
07:25 - 20:46LHR-SJU
17h 21m1 stop
£568JetBlue
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Wed, 15 Jan
14:05 - 13:20LHR-SJU
28h 15m1 stop
£571Air Canada
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Sat, 19 Apr
12:20 - 23:21LHR-SJU
15h 01m1 stop
£698JetBlue
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Thu, 9 Jan
18:00 - 00:36LHR-SJU
34h 36m2 stops
£1,031Air Canada
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Sun, 5 Jan
07:25 - 20:34LHR-SJU
17h 09m1 stop
07:00 - 05:55SJU-LHR
18h 55m1 stop
£1,081JetBlue
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Sun, 29 Dec - Sun, 5 Jan
06:40 - 12:07LHR-SJU
33h 27m3 stops
02:32 - 16:25SJU-LHR
33h 53m3 stops
£1,224
Find Deal
Sun, 29 Dec - Sun, 5 Jan
11:05 - 15:51LHR-SJU
32h 46m3 stops
23:25 - 07:10SJU-LHR
27h 45m3 stops
£1,439
Find Deal
Sun, 29 Dec - Sun, 5 Jan
21:40 - 16:40LHR-SJU
23h 00m1 stop
23:25 - 07:10SJU-LHR
27h 45m3 stops
£1,450
Find Deal
Sun, 29 Dec - Sun, 5 Jan
21:40 - 16:40LHR-SJU
23h 00m1 stop
04:30 - 19:30SJU-LHR
35h 00m2 stops
£1,481
Find Deal
Sun, 29 Dec - Sun, 5 Jan
20:40 - 03:25LHR-SJU
34h 45m2 stops
23:25 - 07:10SJU-LHR
27h 45m3 stops
£1,493
Find Deal
Sun, 29 Dec - Sun, 5 Jan
12:50 - 06:12LHR-SJU
21h 22m1 stop
10:15 - 07:30SJU-LHR
17h 15m1 stop
£1,532Lufthansa
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Sun, 29 Dec - Mon, 6 Jan
21:40 - 16:40LHR-SJU
23h 00m1 stop
13:50 - 14:35SJU-LHR
20h 45m2 stops
£1,862Avianca
Find Deal
Sun, 29 Dec - Mon, 6 Jan
06:00 - 11:15LHR-SJU
33h 15m2 stops
07:50 - 17:30SJU-LHR
29h 40m2 stops
£2,027TAP AIR PORTUGAL
Find Deal
Sun, 29 Dec - Mon, 6 Jan
15:50 - 02:18LHR-SJU
14h 28m1 stop
03:45 - 20:10SJU-LHR
12h 25m1 stop
£2,521Virgin Atlantic
Find Deal
Sun, 29 Dec - Sun, 5 Jan

JetBlue flights from London Heathrow Airport to San Juan

Our best JetBlue deals on London Heathrow Airport to San Juan flight tickets
JetBlue
4 Feb
LHR08:25London Heathrow
15h 31m
1 stop
SJU19:56San Juan Luis Munoz Marin Intl
11 Feb
SJU10:30San Juan Luis Munoz Marin Intl
15h 25m
1 stop
LHR05:55London Heathrow
JetBlue
11 Feb
LHR12:20London Heathrow
17h 22m
1 stop
SJU01:42San Juan Luis Munoz Marin Intl
18 Feb
SJU10:20San Juan Luis Munoz Marin Intl
19h 10m
1 stop
LHR09:30London Heathrow
JetBlue
27 Jan
LHR08:25London Heathrow
15h 31m
1 stop
SJU19:56San Juan Luis Munoz Marin Intl
11 Feb
SJU05:00San Juan Luis Munoz Marin Intl
20h 55m
1 stop
LHR05:55London Heathrow

United Airlines flights from London Heathrow Airport to San Juan

Our best United Airlines deals on London Heathrow Airport to San Juan flight tickets
United Airlines
25 Jan
LHR11:10London Heathrow
38h 18m
2 stops
SJU21:28San Juan Luis Munoz Marin Intl
31 Jan
SJU02:05San Juan Luis Munoz Marin Intl
14h 30m
1 stop
LHR20:35London Heathrow
United Airlines
9 Feb
LHR11:10London Heathrow
23h 02m
2 stops
SJU06:12San Juan Luis Munoz Marin Intl
15 Feb
SJU02:05San Juan Luis Munoz Marin Intl
24h 25m
2 stops
LHR06:30London Heathrow
United Airlines
25 Jan
LHR08:00London Heathrow
26h 12m
2 stops
SJU06:12San Juan Luis Munoz Marin Intl
1 Feb
SJU10:10San Juan Luis Munoz Marin Intl
21h 05m
2 stops
LHR11:15London Heathrow

See travel insights to San Juan from

How to get the cheapest flight ticket from London Heathrow Airport to San Juan

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to San Juan?

The cheapest month to fly to San Juan from London Heathrow Airport is in February. Flight prices, which tend to average around £570, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to San Juan from London Heathrow Airport during January instead. Flights to San Juan in January, while not as cheap as those in February, still average around £571.

What is the cheapest day to depart on your flight to San Juan?

The cheapest day to depart on your flight to San Juan is on a Monday when prices can be found for as low as £567. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to San Juan is Saturday, with ticket prices averaging around £691.

What is the cheapest time of day to depart on your flight to San Juan?

In the morning is the cheapest time of day to fly from London Heathrow Airport to San Juan when you can find flight prices for as low as £627. Flying to San Juan in the morning is an ideal time because this is during off-peak travel hours. Flights in the afternoon are often more expensive, with an average ticket price of £896.

How far in advance should I book a flight to San Juan?

We recommend purchasing flights from London Heathrow Airport to San Juan 46 days ahead of your departure date because this is when momondo users tend to see the best flight rates. On average, our users have found flights to San Juan for £671. Don’t hesitate to check prices now though, because momondo users recently found tickets for as low as £360.

Can stopping save me money on London Heathrow Airport to San Juan flights?

You could potentially save up to 44% on your flight if you consider stops on a London Heathrow Airport to San Juan flight.

Cheap London Heathrow Airport to San Juan flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to San Juan

Best price found

£270

Fastest flight time

13h 37m

Direct flights

None

Airports in San Juan

1 airport
The best one-way flight to San Juan from London Heathrow Airport in the past 72 hours is £270. The best return flight deal from London Heathrow Airport to San Juan found on momondo in the last 72 hours is £447.
The fastest flight from London Heathrow Airport to San Juan takes 13h 37m
There are no direct flights from London Heathrow Airport to San Juan. Popular non-direct route for this connection is London Heathrow Airport - San Juan Luis Munoz Marin Intl Airport.
There is 1 airport near San Juan: San Juan Luis Munoz Marin Intl (SJU)

  • How far is London Heathrow to San Juan by plane?

    The distance between London Heathrow and San Juan is about 4182.0 mi. A reasonable flight in good conditions will take 13h 37m.

  • When did momondo last update prices for flights from London Heathrow Airport to San Juan?

    Prices for flights from London Heathrow Airport to San Juan are updated daily.

  • How many operators does momondo search for flights from London Heathrow Airport to San Juan?

  • How old do you have to be to fly from London Heathrow Airport to San Juan?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Heathrow Airport to San Juan.

  • What documentation or ID do you need to fly to San Juan?

    The required travel and health documents for your San Juan trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Juan. We recommend that you seek guidance from your airline or a reliable third party such as IATA.


Best airlines flying from London Heathrow Airport to San Juan

Compare and see reviews for airlines that fly from London Heathrow Airport to San Juan with momondo
Airline
Rating
Free Cancellation
Price
Virgin AtlanticPriceFrom £413Free CancellationRating
7.5
666 reviews
Search Virgin Atlantic flights
JetBluePriceFrom £437Free CancellationRating
7.4
3,237 reviews
Search JetBlue flights
FinnairPriceFrom £457Free CancellationRating
7.6
1,284 reviews
Search Finnair flights
IcelandairPriceFrom £480Free CancellationRating
7.1
508 reviews
Search Icelandair flights
IberiaPriceFrom £551Free CancellationRating
7.0
2,645 reviews
Search Iberia flights
British AirwaysPriceFrom £600Free CancellationRating
6.6
6,818 reviews
Search British Airways flights

Why use momondo?

Why should I use momondo to find a flight deal from London to San Juan?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Juan from London.

Can I find flights from London to San Juan with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for London to San Juan flights to just show those with flexible booking policies.

How can momondo help me find flights from London to San Juan?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to San Juan.

I’m not ready to book a flight from London to San Juan right now. Can momondo alert me if prices change?

Yes. momondo can track prices for London to San Juan flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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Find better results for your trip to Puerto Rico

Fly into one of these airports located in San Juan

Airports listed have a maximum distance of 7.1 mi from San Juan